From owner-freebsd-performance@FreeBSD.ORG Wed Dec 28 21:22:26 2005 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 627F416A41F for ; Wed, 28 Dec 2005 21:22:26 +0000 (GMT) (envelope-from killing@multiplay.co.uk) Received: from multiplay.co.uk (core6.multiplay.co.uk [85.236.96.23]) by mx1.FreeBSD.org (Postfix) with ESMTP id A49DA43D55 for ; Wed, 28 Dec 2005 21:22:24 +0000 (GMT) (envelope-from killing@multiplay.co.uk) Received: from vader ([82.37.32.39]) by multiplay.co.uk (multiplay.co.uk [85.236.96.23]) (MDaemon.PRO.v8.1.3.R) with ESMTP id md50002152707.msg for ; Wed, 28 Dec 2005 21:21:55 +0000 Message-ID: <005901c60bf4$b3cf2260$0100a8c0@multiplay.co.uk> From: "Steven Hartland" To: "Sean Chittenden" , "OxY" References: <000901c60b87$e40b8ad0$0201a8c0@oxy><000401c60bab$9fd494a0$0201a8c0@oxy> <20051228210915.GY28159@mailhost.gigave.com> Date: Wed, 28 Dec 2005 21:21:37 -0000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2670 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2670 X-Spam-Processed: multiplay.co.uk, Wed, 28 Dec 2005 21:21:55 +0000 (not processed: message from valid local sender) X-MDRemoteIP: 82.37.32.39 X-Return-Path: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-performance@freebsd.org X-MDAV-Processed: multiplay.co.uk, Wed, 28 Dec 2005 21:21:55 +0000 Cc: freebsd-performance@freebsd.org Subject: Re: em0 and tunnel performance problem X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Dec 2005 21:22:26 -0000 ----- Original Message ----- From: "Sean Chittenden" > You can *never* rely on, or use auto negotiation. Its very common to > have the switch be set to auto, the PC to be set to 100 FDX, and have > the switch settle on 100 half-duplex (Cisco switches in particular). > netstat -i will probably show you that you have line errors on your > em0 interface. If you're running on Cisco switches, see the > following: In fact is also common to get errors when both are hardcoded the only resolution being to set both to auto it all depends on the hardware. Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone (023) 8024 3137 or return the E.mail to postmaster@multiplay.co.uk.